Home / 157,514.70-236,272.05-82,605.90

Finding the Fourth Proportional to 157,514.70, 236,272.05 and 82,605.90

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Solution

The fourth proportional to 157,514.70, 236,272.05 and 82,605.90 is: 123,908.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,514.70 : 236,272.05 = 82,605.90 : x
  2. Step 2: Convert to fraction form
    157,514.70/236,272.05 = 82,605.90/x
  3. Step 3: Cross multiply
    157,514.70x = 236,272.05 × 82,605.90
  4. Step 4: Simplify right side
    157,514.70x = 19,517,465,335.10
  5. Step 5: Solve for x
    x = 19,517,465,335.10/157,514.70
  6. Step 6: Final answer
    x = 123,908.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.